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Organic thin-film transistors using pentacene and SiOC film

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1 Author(s)
Oh, T. ; Sch. of Electron. & Inf. Eng., Cheongju Univ., South Korea

Pentacene for organic thin-film transistors (OTFTs) was deposited on the SiOC film by thermal evaporation. The transfer characteristic of the pentacene channel as the active layer is dependent on the chemical properties of a surface-on-gate insulator. Hybrid-type SiOC film can have all chemical properties from organic to inorganic properties according to the deposition condition. Pentacene on SiOC film shows the gradient or normal growth because of the C=C bond in SiOC film. Normal growth of pentacene molecules increased the grain size of the surface of pentacene on SiOC film, and the mobility of OTFTs on SiOC films prepared with an O2/(BTMSM+O2) flow rate ratio of 80% is 2.19 (cm2/Vs).

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Nanotechnology, IEEE Transactions on  (Volume:5 ,  Issue: 1 )